U.S. Army Chap. (Col.) Kenneth Bush, 633rd Air Base Wing deputy chaplain, greets the congregation during the National Day of Prayer celebration at the Regimental Memorial Chapel at Fort Eustis, Va., May 3, 2012. This year marks the 61st annual observance of the National Day of Prayer, which occurs every year on the first Thursday in May. (U.S. Air Force photo by Senior Airman John D. Strong II/Released)